/*
** Copyright (C) 2008, 2009 Ricard Marxer <email@ricardmarxer.com>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 3 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef PEAKCOG_H
#define PEAKCOG_H

#include "Typedefs.h"
#include "Debug.h"

class PeakCOG {
protected:
  // Internal parameters
  int _fftLength;
  int _bandwidth;

  // Internal variables
  MatrixXR _spectrumAbs2;
  MatrixXR _spectrumArg;
  MatrixXR _spectrumArgDeriv;
  MatrixXR _spectrumAbs2Deriv;

public:
  PeakCOG(int fftLength, int bandwidth = 6);

  ~PeakCOG();

  void setup();

  void process(const MatrixXC& fft, const MatrixXR& peakPos, MatrixXR* peakCog);

  void reset();

};

#endif  /* PEAKCOG_H */
